# 40005267 Gear Changing Unit | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta gear changing unit from the Marine Propulsion group, weighing 0.937 kg and listed for 25 applications across the D and MS series. It includes shift mechanism 3849903, shaft 3849909 and fork 3593595, so those three do not need ordering separately.

## 🚤 Compatibility

-   **Engine Family:** D, MS
-   **HP Range:** 13-75 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   Includes shift mechanism 3849903, shaft 3849909 and fork 3593595
-   0.937 kg
-   25 applications across the D and MS series
-   Marine Propulsion group

## 🔌 Function

Converts movement at the control lever into the internal shift action that engages ahead, neutral and astern.

## ⚠️ Common Signs of Failure

-   Gear will not engage, or jumps out under load
-   Vague or excessively long lever travel before engagement
-   Clunk or crunch on shifting
-   Shift fork or shaft found worn, bent or scored on strip-down
-   Neutral hard to find, or the drive creeping in neutral

## 🛠️ Service Notes

-   Shift mechanism 3849903, shaft 3849909 and fork 3593595 come with this unit, so do not order them again
-   Set and prove the control cable adjustment after fitting — ahead, neutral and astern must all engage cleanly before the boat is used
-   Check the cable and lever for stiffness before condemning the unit

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta 130SR-C, 130S, 130S-C, 130S-B, 130SR, 130SR-A, 130SR-B, 150S, 150S-B, 150SR, 150SR-B, 150S-C, 150SR-C
-   Volvo Penta D2-40F, D2-55F, D2-50F, D2-75F, D2-60F
-   Volvo Penta MS25S, MS25S-A, MS25SR, MS25SR-A
-   Volvo Penta D1-30F, D1-13F, D1-20F

## Details

- **Price:** 2476.66 AUD
- **Vendor:** Volvo Penta
- **Type:** Transmission & Gearbox
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2476.66 AUD | In stock |

## Images

- 40005267 Gear Changing Unit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/40005267-gear-changing-unit-genuine-volvo-penta)
> Updated: 2026-09-19